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#include <iostream>
#include <cmath>
#include <iomanip>
using namespace std;
int compute_time_difference(int c_hrs, int c_mins, bool c_am, int t_hrs, int t_mins, bool t_am);
void print_future();
void print_past();
void print_SecurityProtocol();
int system_time(int c_hrs, int c_mins, bool c_am, int system_Store);
int main()
{
int c_hrs, c_mins;
int t_hrs, t_mins;
int system_time2;
int time_difference2;
bool c_am = 0;
bool t_am = 0;
char c, c2, Y, N, y, n, jumpAgain;
string am_or_pm_current, am_or_pm_target;
bool g_stop = true;
cout << "Welcome to Po Sled" << endl;
cout << "\tSystem booting..." << endl;
for (int i = 0; i<1; i++) //for loop to run once
{
cout << "\n\tEnter current time below: " << endl;
cout << "\t>Enter hour: "; //User inputs current time in hours
cin >> c_hrs;
while (c_hrs > 12 || c_hrs < 1)
{
cout << "Error: Please enter an hour in the range [1, 12]: ";
cin >> c_hrs;
}
cout << "\t>Enter minutes: "; //User inputs current time in minutes
cin >> c_mins;
while (c_mins > 59 || c_mins < 0) {
cout << "Error: Please enter minutes in the range [0, 59]: ";
cin >> c_mins;
}
cout << "\t>Is it AM or PM?: "; //Classifying if current time is AM or PM
cin >> am_or_pm_current;
while (am_or_pm_current != "am" && am_or_pm_current != "AM" && am_or_pm_current != "pm" && am_or_pm_current != "PM") { //Checks if valid input, if not repeats message until valid
cout << "\tError: Please enter AM/am or PM/pm: ";
cin >> am_or_pm_current;
}
if ((am_or_pm_current == "am") || (am_or_pm_current == "AM"))
{
c_am = 1;
}
else if ((am_or_pm_current == "pm") || (am_or_pm_current == "PM"))
{
c_am = 0;
}
cout << "\n\tCurrent system time set to " << c_hrs << ":" << setw(2) << setfill('0') << c_mins << am_or_pm_current << endl;
cout << "\n\t\tIs this time correct (Y or N)? ";
cin >> c;
while (c != 'Y' && c != 'y' && c != 'n' && c != 'N')
{
cout << "\t\t\tError: Please enter Y/y or N/n: ";
cin >> c;
}
if (c == 'N' || c == 'n')
{
continue;
}
else
{
cout << "\n\tSystem initializing and TARDIS unit warming...." << endl;
cout << "\tThe Po Sled is engaged and ready for input." << endl;
}
}
do {
//Starts a loop for target jump
cout << "\n\tEnter target time below: " << endl; //Enters target time of jump
cout << "\t>Enter Hour: ";
cin >> t_hrs;
while (t_hrs > 12 || t_hrs < 1) {
cout << "Error: Please enter an hour in the range [1, 12]: ";
cin >> t_hrs;
}
cout << "\t>Enter minutes: ";
cin >> t_mins;
while (t_mins > 59 || t_mins < 0) {
cout << "\tError: Please enter minutes in the range [0, 59]: ";
cin >> t_mins;
}
cout << "\n\tIs it AM or PM?: ";
cin >> am_or_pm_target; //Classifying if target time is AM or PM
while (am_or_pm_current != "am" && am_or_pm_current != "AM" && am_or_pm_current != "pm" && am_or_pm_current != "PM")
{ //Validates input is AM or PM
cout << "\tError: Please enter AM/am or PM/pm: ";
cin >> am_or_pm_target;
}
if ((am_or_pm_target == "am") || (am_or_pm_target == "AM"))
{
t_am = 1;
}
else if ((am_or_pm_target == "pm") || (am_or_pm_target == "PM"))
{
t_am = 0;
}
cout << "\tTarget time set to " << t_hrs << ":" << setw(2) << setfill('0') << t_mins << am_or_pm_target; //Sets target time
cout << "\n\t\tIs this time correct (Y or N)? "; //Validates if target time entered is correct
cin >> c2;
while (c2 != 'Y' && c2 != 'y' && c2 != 'n' && c2 != 'N')
{
cout << "\t\t\tError: Please enter Y/y or N/n: ";
cin >> c2;
}
time_difference2 = compute_time_difference(c_hrs, c_mins, c_am, t_hrs, t_mins, t_am);
if (time_difference2 > 360) //If time difference is greater than 6 hours prints error function
{
print_SecurityProtocol();
continue;
}
if (c2 == 'N' || c2 == 'n')
{
continue;
}
cout << "\tJump was made, the current time is " << t_hrs << ":" << setw(2) << setfill('0') << t_mins << am_or_pm_target << endl;
if (time_difference2 < 0 && time_difference2 > -360) //If time difference is less than 0 prints past function
{
print_past();
}
else if (time_difference2 >= 0 && time_difference2 <= 360) //If time difference is ahead of current time prints future function
{
print_future();
}
cout << "\tWould you like to jump again (Y/N)? ";
cin >> jumpAgain;
while (jumpAgain != 'Y' && jumpAgain != 'y' && jumpAgain != 'n' && jumpAgain != 'N') //Input validation
{
cout << "\t\t\tError: Please enter Y/y or N/n: ";
cin >> jumpAgain;
}
if (jumpAgain == 'n' || jumpAgain == 'N') //User exiting program
{
if (time_difference2 < 0)
{
cout << "\t\tSystem shutting down; enjoy the past.\n" << endl;
}
else if (time_difference2 >= 0 && time_difference2 < 360)
{
cout << "\t\tSystem shutting down; enjoy the future.\n" << endl;
}
}
} while (jumpAgain != 'n' && jumpAgain != 'N');
return 0;
}
int compute_time_difference(int c_hrs, int c_mins, bool c_am, int t_hrs, int t_mins, bool t_am) //Computes time differences.
{
int currentTime_hours, currentTime_minutes, targetTime_hours, targetTime_minutes, currentTime, targetTime;
int time_difference;
if (c_am == 1)
{
if (c_hrs == 12)
{
currentTime_hours = c_hrs * 0;
}
else if (c_hrs != 12)
{
currentTime_hours = (c_hrs * 60);
currentTime_minutes = c_mins;
currentTime = currentTime_hours + currentTime_minutes;
}
}
else if (c_am == 0)
{
if (currentTime_hours == 12)
{
c_hrs = c_hrs * 60;
}
else if (currentTime_hours != 12)
{
currentTime_hours = ((c_hrs + 12) * 60);
currentTime_minutes = c_mins;
currentTime = currentTime_hours + currentTime_minutes;
}
}
if (t_am == 1)
{
if (targetTime_hours == 12) //if target hours equal to 12 special math
{
targetTime_hours = t_hrs*0;
}
else if (targetTime_hours != 12) //else do this math
{
targetTime_hours = ((t_hrs) * 60);
targetTime_minutes = t_mins;
targetTime = targetTime_hours + targetTime_minutes;
}
}
else if (t_am == 0) //if target time equal to pm then do this math
{
if (targetTime_hours == 12)
{
targetTime_hours = t_hrs * 60;
}
else if (targetTime_hours != 12) //else if target time not equal to 12 then do normal pm math
{
targetTime_hours = ((t_hrs + 12) * 60);
targetTime_minutes = t_mins;
targetTime = targetTime_hours + targetTime_minutes;
}
}
time_difference = targetTime - currentTime;
cout << "the difference computed is " << time_difference;
return time_difference;
}
void print_SecurityProtocol() //Function which prints security protocol error message
{
cout << "\tSecurity Protocols Engaging" << endl;
cout << "\t\tError: The time difference is greater than 6 hours." << endl;
cout << "\t\t\tPlease re-enter target time." << endl;
}
void print_past() //Function that prints when a user is in the past
{
cout << "\tHold onto your lower posterior regions" << endl;
cout << "\n\t\tYou are now in the relative past" << endl;
}
void print_future() //Function that prints when a user is in the future
{
cout << "\tHold onto your lower posterior regions" << endl;
cout << "\n\t\tYou are now in the relative future " << endl;
}
int system_time(int c_hrs, int c_mins, bool c_am, int system_Store)
{ //Function that stores the system time innately to be referenced
int system_Time_Hours, system_Time_Minutes;
if (c_am == 1)
{
system_Time_Hours = (c_hrs * 60);
system_Time_Minutes = c_mins;
system_Store = system_Time_Hours + system_Time_Minutes;
}
else if (c_am == 0)
{
system_Time_Hours = ((c_hrs + 12) * 60);
system_Time_Minutes = c_mins;
system_Store = system_Time_Hours + system_Time_Minutes;
}
return system_Store;
}
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